package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("image.png");
        FileOutputStream fos=new FileOutputStream("image_cp2.png");
        byte[] date=new byte[1024*10];
        long state=System.currentTimeMillis();
        int d;
        while ((d=fis.read(date))!=-1){
            fos.write(date,0,d);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕"+",耗时"+(end-state)+"ms");
        fis.close();
        fos.close();
    }
}
